1742 CRYPTOGAMIA. ALGAE. 1937. Lcpraria. 
iolithusf Thin, mealy, fafFron red, btcoming greyifh, Fi 
2. ea'oratat. Cruft and fruAification carm'ine. f^iggf 
C. In Jiocular 7-lgid majfes: frond crujtaceous. Spilnm*’ . 
*mc'‘anopa. Thin, cffiifc, blackifh; maffes ot the fruftificatiO' 
broader, deformed, fomewhai confluent, deep black. 
Achar.iah ' f- 
ni’.croclonu. Very thin, hoary ; malfcs minute, fcattered and J 
what confluent and branched, black. Achar.fupp!. Ji 
Greyilb, very tliin: maifes deformed, minute, flat, fcat*^ 
blackilli-brown. Perfoon. 
VitUigo Whitilh, very thin, membranaceous: maffes round' 
little convex, variegated grey and black. Ach. t. i./'. 4- . ,||ti 
turnidula I Leprous, fmooth, cracked, whitifh : maifes 
crowded, oblong-deformed, ttimiii, rufous-brown. Ach. t. 
D. In dijiinil or clujiered white globular mealy [pots, generally 
gined. frond crujiaceous. Variokrta, .j])' 
*faglnea. Cnifl; leprous, thin, glabrous, rugged, cracked, 
white : tubercles hemisphaerical, fcattered, pure white- 
Hof tab 2. /. 4. _ 
irhlculula. Leprous, thii;, granular, orbicular, bordered, g‘ 
white: tubercles central, minute, flattifh, margined, oftn" 
colour. Hof m. tab 7./. g. , 
' 2. Blackifh: tub-ercles pure white. 
a/pergilia . Tartareoiis, thin, rather folid, determined, with 2 
circiuntercnce, thinly cracked, grey; tubercles fcattered: 
obfenre, fiiperficial, whiter. Achar. ^cr’ 
2. Effuk, gre>ifti- white, Cightlv cracked, fmootiiifh: tubercles f"' 
fomewhat margined, routid-d’cformed, rather confluent, ot the 
lour. Westring il'* 
ercina. Tartareoti*, fomewhat determined, whitilh, 
patches, mealy, with a fmooth ciacked border; lubercls^ 
ed, irregular, pure white IVcfrin^. 
laHea. Tartareoiis, determined, v\itn a warty area, firiooth: ^^>1 
with a fomewhat radiate crenate-lobed border : tubernb^ 
marginal, pure wiiite. Ach t.i.f 6 . 
d'f coidea. Leprous, mealy, white: tubercles becoming con 
r 
formed, margined, of the fame colour. Hoff, t, y /- 5 ; 
ik elena. Irregular, 
.«lf 
vtiy thin, with a warty area, fonie^ 
pure white ; tubercles becoming conoid, bearing the o" 
OB at top, which is very minute and of the fame colouj'" 
leacoftlgma. Biackilh-browri, effufe 
minute, white. Achar. t.y.f.'j. 
vindula? Thin, mealy, gretnifh grey 
greea 
Thin. 
Hoffm. t. 2 f. 6. 
tubercles fcattered* 
tubercles hetO'^P 
